9139955911696 has 15 divisors (see below), whose sum is σ = 17708688009021. Its totient is φ = 4569971909376.

The previous prime is 9139955911651. The next prime is 9139955911711. The reversal of 9139955911696 is 6961195599319.

The square root of 9139955911696 is 3023236.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6058667182096 + 3081288729600 = 2461436^2 + 1755360^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11715040 + ... + 12470848.

Almost surely, 2^{9139955911696} is an apocalyptic number.

9139955911696 is the 3023236-th square number.

It is an amenable number.

9139955911696 is a deficient number, since it is larger than the sum of its proper divisors (8568732097325).

9139955911696 is an frugal number, since it uses more digits than its factorization.

9139955911696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511626 (or 755811 counting only the distinct ones).

The product of its digits is 159432300, while the sum is 73.

The spelling of 9139955911696 in words is "nine trillion, one hundred thirty-nine billion, nine hundred fifty-five million, nine hundred eleven thousand, six hundred ninety-six".